The two M’s are two men — and the candy was built not to melt.

The name M&M’s hides a story: the two M’s stand for Mars & Murrie — Forrest E. Mars Sr. and Bruce Murrie, son of Hershey’s president. Murrie held a 20% stake, and his connection secured a supply of Hershey chocolate — which mattered enormously during the war, when chocolate was rationed. (Mars later bought Murrie out, around 1949, but the name stuck.) The product idea came from a battlefield: Forrest Mars, during the Spanish Civil War, saw soldiers eating chocolate pellets in a hard sugar shell that kept them from melting — the concept behind M&M’s melt-resistant candy shell. M&M’s were patented and launched in 1941, and the US Army was the first big customer (heat-stable chocolate for troops). The famous slogan “melts in your mouth, not in your hand” came a bit later — it debuted in 1949, not at launch. (Honest caveats: the lowercase “m&m’s” wordmark is custom hand-lettering, so don’t name a font; and no official brand hex is published — the palette is the candy colours.)

The visual signatures are the printed “m” and the characters. Each candy carries a small “m” — introduced in black in 1950 and changed to white in 1954 (the white “m” is standard today). And since 1995, the animated “spokescandies” have been a core brand asset — the cynical Red and the dim, lovable Yellow as the classic pair, plus Green, Blue, Orange and Brown — from a campaign by the agency BBDO, animated by Will Vinton Studios.

Two colour stories are part of the lore. Red was removed from 1976 to 1987 — not because it was unsafe, but to reassure a public frightened by Red Dye No. 2 (a suspected carcinogen), a dye that M&M’s never actually used; red returned in 1987. And Blue was added in 1995 by public vote (beating pink and purple), replacing tan. M&M’s is a brand of Mars, Incorporated (via Mars Wrigley) — one of the largest privately held, family-owned American companies. A candy defined by a shell that won’t melt, a name made of two men, and a cast of characters.

M&M’s lives in candy colours. Click a swatch to copy the hex.

M&M’s palette is its candy colours — the bright red, yellow, blue, green, orange and brown of the sweets themselves — a cheerful, playful spectrum that is the product. That mix of primary-ish colours is instantly recognisable and endlessly flexible (the brand can lean on any one colour, or all of them), and the individual colours have become characters in their own right. It’s colour as fun, variety and personality. The honest caveat: Mars publishes no official public brand hex for M&M’s — the colours live in the candy — so treat the values here as approximations of that playful spectrum rather than a confirmed spec.

The lesson is a colourful spectrum as a flexible identity. M&M’s uses its full palette of candy colours as a playful, adaptable brand asset — even turning individual colours into characters. For designers, it’s a reminder that a multi-colour system can be a strength: fun, flexible and full of personality, as long as it stays consistent and recognisable. The takeaways: a bright, multi-colour palette can be a playful, flexible identity; individual colours can become distinct sub-brands or characters; and treat specific hexes as approximate when the colours live in the product.

The wordmark is a rounded, friendly sans — playful and iconic.

M&M’s rounded, lowercase sans wordmark is as friendly and playful as the candy. Soft, full-bodied letters spelling “m&m’s” read as fun and approachable, and the lowercase “m” connects directly to the little “m” printed on every sweet — a lovely, consistent detail that ties the wordmark to the product. The roundness signals sweetness and childhood joy, exactly right for a colourful treat, and it pairs naturally with the candy-colour palette and the cartoon characters. That warm, playful character has made the wordmark instantly recognisable for generations. (Because the wordmark is custom hand-lettering with no published typeface, the honest description is “a rounded, friendly sans,” not a named font.) The type behaves like the brand: playful, friendly and unmistakably fun.

M&M’s turned candy colours into personalities.

M&M’s is a lesson in turning a product feature into a cast of characters. The candy’s defining traits — a colourful shell that won’t melt — became the foundation of a whole brand world: the printed “m,” the candy-colour palette, and above all the spokescandies, who gave each colour a personality (Red the cynic, Yellow the innocent) and made the brand feel alive and human. That transformation of simple, colourful sweets into beloved characters is a masterclass in building emotional connection, and it’s kept M&M’s culturally relevant for decades. The lesson: a product’s own features (colours, shapes) can be spun into characters and stories that people genuinely love.

For designers and brand-builders, M&M’s offers a clear takeaway: turn product features into personality and story. The lessons: a distinctive product trait (the melt-proof colourful shell) can seed an entire brand identity; giving colours or elements personalities (the spokescandies) builds emotional connection and longevity; and a playful, multi-colour palette is a flexible, ownable asset. It’s also a reminder to keep the facts precise — M&M stands for Mars & Murrie (Forrest Mars and Bruce Murrie, whose Hershey link secured wartime chocolate); the candy launched in 1941 with the US Army as first customer, the “melts in your mouth” slogan arriving in 1949; the spokescandies date to 1995; red was pulled in 1976 over a dye scare M&M’s never actually used (back in 1987) and blue was added by vote in 1995; and it’s a Mars brand. M&M’s turned colours into characters — proof that product features can become a brand’s soul.

Keep M&M’s’s identity on hand — save it to a board in the Made Good inspiration library.